87138540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{839}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 265093920

約数和(自身を除く): 177955380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 577, 839, 1154, 1678, 1731, 2308, 2517, 2885, 3356, 3462, 4195, 5034, 5193, 5770, 6924, 7551, 8390, 8655, 10068, 10386, 11540, 12585, 15102, 16780, 17310, 20772, 25170, 25965, 30204, 34620, 37755, 50340, 51930, 75510, 103860, 151020, 484103, 968206, 1452309, 1936412, 2420515, 2904618, 4356927, 4841030, 5809236, 7261545, 8713854, 9682060, 14523090, 17427708, 21784635, 29046180, 43569270, 87138540]

約数ペア:

[(1, 87138540), (2, 43569270), (3, 29046180), (4, 21784635), (5, 17427708), (6, 14523090), (9, 9682060), (10, 8713854), (12, 7261545), (15, 5809236), (18, 4841030), (20, 4356927), (30, 2904618), (36, 2420515), (45, 1936412), (60, 1452309), (90, 968206), (180, 484103), (577, 151020), (839, 103860), (1154, 75510), (1678, 51930), (1731, 50340), (2308, 37755), (2517, 34620), (2885, 30204), (3356, 25965), (3462, 25170), (4195, 20772), (5034, 17310), (5193, 16780), (5770, 15102), (6924, 12585), (7551, 11540), (8390, 10386), (8655, 10068)]